package com.java.service.impl;

import com.java.entity.Departmentinfo;
import com.java.dao.DepartmentinfoDao;
import com.java.service.DepartmentinfoService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

/**
 * (Departmentinfo)表服务实现类
 *
 * @author makejava
 * @since 2021-01-20 18:54:56
 */
@Service("departmentinfoService")
public class DepartmentinfoServiceImpl implements DepartmentinfoService {
    @Resource
    private DepartmentinfoDao departmentinfoDao;

    /**
     * 通过ID查询单条数据
     *
     * @param diId 主键
     * @return 实例对象
     */
    @Override
    public Departmentinfo queryById(Integer diId) {
        return this.departmentinfoDao.queryById(diId);
    }

    /**
     * 查询多条数据
     *
     * @param offset 查询起始位置
     * @param limit 查询条数
     * @return 对象列表
     */
    @Override
    public List<Departmentinfo> queryAllByLimit(int offset, int limit) {
        return this.departmentinfoDao.queryAllByLimit(offset, limit);
    }

    /**
     * 新增数据
     *
     * @param departmentinfo 实例对象
     * @return 实例对象
     */
    @Override
    public Departmentinfo insert(Departmentinfo departmentinfo) {
        this.departmentinfoDao.insert(departmentinfo);
        return departmentinfo;
    }

    /**
     * 修改数据
     *
     * @param departmentinfo 实例对象
     * @return 实例对象
     */
    @Override
    public Departmentinfo update(Departmentinfo departmentinfo) {
        this.departmentinfoDao.update(departmentinfo);
        return this.queryById(departmentinfo.getDiId());
    }

    /**
     * 通过主键删除数据
     *
     * @param diId 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Integer diId) {
        return this.departmentinfoDao.deleteById(diId) > 0;
    }
}